/**
 * Copyright (C) 2002-2015   The FreeCol Team
 * <p>
 * This file is part of FreeCol.
 * <p>
 * FreeCol is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 * <p>
 * FreeCol is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License
 * along with FreeCol.  If not, see <http://www.gnu.org/licenses/>.
 */


package net.sf.freecol.client.gui.panel;

import java.awt.Color;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.logging.Logger;

import javax.swing.AbstractCellEditor;
import javax.swing.JButton;
import javax.swing.JTable;
import javax.swing.table.TableCellEditor;

import net.sf.freecol.client.FreeColClient;
import net.sf.freecol.client.gui.SwingGUI;


/**
 * A table cell editor that can be used to edit colors.
 */
public final class ColorCellEditor extends AbstractCellEditor
        implements TableCellEditor, ActionListener
{

    private static final Logger logger = Logger.getLogger( ColorCellEditor.class.getName( ) );

    private static final String EDIT = "EDIT";

    private final FreeColClient freeColClient;
    private final JButton colorEditButton;
    private ColorChooserPanel colorChooserPanel = null;
    private Color currentColor;


    /**
     * The constructor to use.
     *
     * @param freeColClient The top level component that holds all
     *     other components.
     */
    public ColorCellEditor( FreeColClient freeColClient )
    {
        this.freeColClient = freeColClient;

        this.colorEditButton = new JButton( );
        this.colorEditButton.setActionCommand( EDIT );
        this.colorEditButton.addActionListener( this );
        this.colorEditButton.setBorderPainted( false );
    }


    // Implement TableCellEditor

    /**
     * {@inheritDoc}
     */
    @Override
    public Component getTableCellEditorComponent( JTable table, Object value,
                                                  boolean hasFocus, int row, int column )
    {

        this.currentColor = ( Color ) value;
        return this.colorEditButton;
    }

    // Override CellEditor

    /**
     * {@inheritDoc}
     */
    @Override
    public Object getCellEditorValue( )
    {
        return this.currentColor;
    }

    // Interface ActionListener

    /**
     * {@inheritDoc}
     */
    @Override
    public void actionPerformed( ActionEvent ae )
    {
        final String command = ae.getActionCommand( );
        SwingGUI gui = ( SwingGUI ) freeColClient.getGUI( );
        if ( null != command )
        {
            switch ( command )
            {
                case EDIT:
                    this.colorChooserPanel = gui.showColorChooserPanel( this );
                    break;
                case FreeColPanel.OK:
                    if ( this.colorChooserPanel != null )
                    {
                        this.currentColor = this.colorChooserPanel.getColor( );
                        gui.removeFromCanvas( this.colorChooserPanel );
                    } fireEditingStopped( );
                    break;
                case FreeColPanel.CANCEL:
                    if ( this.colorChooserPanel != null )
                    {
                        gui.removeFromCanvas( this.colorChooserPanel );
                    } fireEditingCanceled( );
                    break;
                default:
                    logger.warning( "Bad event: " + command );
                    break;
            }
        }
    }
}
